highest w% by a pitcher in a season for the nationals with 15 or more w, list l

Stephen Strasburg has the best win percentage for the Nationals with 15+ pitcher wins in a season, at .789 in 2017 and in 2016.

	NAME	W	L	W%	SEASON	TM	L%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Stephen Strasburg S. Strasburg	15	4	.789	2017	WSH	.211	28	28	2.52	204	1	1	0	175.1	131	49	55	13	47	7	0	5	701	3	10.47	2.41	4.34	0.67	29.1	6.7	1.02	.274	2.82	57	2.71	62	6.72	32.4
2	Stephen Strasburg S. Strasburg	15	4	.789	2016	WSH	.211	24	24	3.60	183	0	0	0	147.2	119	59	59	15	44	2	0	1	598	2	11.15	2.68	4.16	0.91	30.6	7.4	1.10	.294	3.60	85	2.92	71	7.25	19.8
3	Bryn Smith B. Smith	18	5	.783	1985	MON	.217	32	32	2.91	127	4	2	0	222.1	193	72	85	12	41	1	0	3	890	1	5.14	1.66	3.10	0.49	14.3	4.6	1.05	.255	3.44	83	2.81	77	7.81	21.1
4	Ken Hill K. Hill	16	5	.762	1994	MON	.238	23	23	3.32	85	2	1	0	154.2	145	57	61	12	44	6	0	7	647	3	4.95	2.56	1.93	0.70	13.1	6.8	1.22	.266	3.55	77	4.00	95	8.44	3.9
5	Stephen Strasburg S. Strasburg	18	6	.750	2019	WSH	.250	33	33	3.32	251	0	0	0	209.0	161	77	79	24	56	10	0	4	841	8	10.81	2.41	4.48	1.03	29.8	6.7	1.04	.274	3.40	75	3.24	73	6.93	28.3
6	Max Scherzer M. Scherzer	20	7	.741	2016	WSH	.259	34	34	2.96	284	1	0	0	228.1	165	75	77	31	56	6	0	2	902	2	11.19	2.21	5.07	1.22	31.5	6.2	0.97	.255	3.04	70	3.23	78	6.50	22.7
7	Max Scherzer M. Scherzer	16	6	.727	2017	WSH	.273	31	31	2.51	268	2	0	0	200.2	126	56	62	22	55	11	0	2	780	4	12.02	2.47	4.87	0.99	34.4	7.1	0.90	.245	2.78	57	2.89	66	5.65	33.2
8	Doug Fister D. Fister	16	6	.727	2014	WSH	.273	25	25	2.41	98	1	1	0	164.0	153	44	52	18	24	7	0	0	662	5	5.38	1.32	4.08	0.99	14.8	3.6	1.08	.262	2.85	66	3.93	108	8.40	-5.1
9	Gio Gonzalez G. Gonzalez	21	8	.724	2012	WSH	.276	32	32	2.89	207	2	1	0	199.1	149	64	69	9	76	5	0	3	822	10	9.35	3.43	2.72	0.41	25.2	9.2	1.13	.267	3.12	73	2.82	73	6.73	23.3
10	Max Scherzer M. Scherzer	18	7	.720	2018	WSH	.280	33	33	2.53	300	2	1	0	220.2	150	62	66	23	51	12	0	4	866	4	12.24	2.08	5.88	0.94	34.6	5.9	0.91	.265	2.69	62	2.65	64	6.12	36.1
11	Stephen Strasburg S. Strasburg	15	6	.714	2012	WSH	.286	28	28	3.16	197	0	0	0	159.1	136	56	62	15	48	4	0	1	653	5	11.13	2.71	4.10	0.85	30.2	7.4	1.15	.311	3.50	80	2.82	73	7.68	18.6
12	Steve Rogers S. Rogers	19	8	.704	1982	MON	.296	35	35	2.40	179	14	4	0	277.0	245	74	84	12	65	6	0	7	1,122	3	5.82	2.11	2.75	0.39	16.0	5.8	1.12	.271	2.73	67	2.75	77	7.96	25.3
13	Dennis Martinez D. Martinez	16	7	.696	1989	MON	.304	34	33	3.18	142	5	2	0	232.0	227	82	88	21	49	7	1	4	950	5	5.51	1.90	2.90	0.81	14.9	5.2	1.19	.282	3.41	91	3.43	96	8.81	3.2
14	Pedro Martinez P. Martinez	17	8	.680	1997	MON	.320	31	31	1.90	305	13	4	0	241.1	158	51	65	16	67	9	0	5	947	3	11.37	2.50	4.55	0.60	32.2	7.1	0.93	.258	2.42	45	2.38	57	5.89	49
15	Jordan Zimmermann J. Zimmermann	19	9	.679	2013	WSH	.321	32	32	3.25	161	4	2	0	213.1	192	77	81	19	40	7	0	0	865	3	6.79	1.69	4.03	0.80	18.6	4.6	1.09	.271	3.42	87	3.35	90	8.10	8.8
16	Dale Murray D. Murray	15	8	.652	1975	MON	.348	63	0	3.96	43	0	0	9	111.1	134	49	59	0	39	3	40	10	499	2	3.48	3.15	1.10	0.00	8.6	7.8	1.55	.324	4.77	105	2.93	81	10.83	8.6
17	Mike Torrez M. Torrez	15	8	.652	1974	MON	.348	32	30	3.57	92	6	1	0	186.1	184	74	90	10	84	3	1	3	812	8	4.44	4.06	1.10	0.48	11.3	10.3	1.44	.279	4.35	95	3.68	101	8.89	-0.5
18	Ross Grimsley R. Grimsley	20	11	.645	1978	MON	.355	36	36	3.05	84	19	3	0	263.0	237	89	103	17	67	2	0	6	1,068	4	2.87	2.29	1.25	0.58	7.9	6.3	1.16	.245	3.52	87	3.56	103	8.11	-3.3
19	Ken Hill K. Hill	16	9	.640	1992	MON	.360	33	33	2.68	150	3	3	0	218.0	187	65	76	13	75	3	0	4	908	11	6.19	3.10	2.00	0.54	16.5	8.3	1.20	.261	3.14	78	3.25	94	7.72	4.5
20	Gio Gonzalez G. Gonzalez	15	9	.625	2017	WSH	.375	32	32	2.96	188	0	0	0	201.0	158	66	69	21	79	7	0	5	827	7	8.42	3.54	2.38	0.94	22.7	9.6	1.18	.258	3.09	67	3.92	89	7.07	10.7
21	Dennis Martinez D. Martinez	15	9	.625	1993	MON	.375	35	34	3.85	138	2	0	1	224.2	211	96	110	27	64	11	1	7	945	2	5.53	2.56	2.16	1.08	14.6	6.8	1.22	.261	4.41	96	4.31	109	8.45	-9
22	Carl Morton C. Morton	18	11	.621	1970	MON	.379	43	37	3.60	154	10	4	0	284.2	281	114	123	27	125	4	1	17	1,218	2	4.87	3.95	1.23	0.85	12.6	10.3	1.43	.280	3.89	87	4.14	106	8.88	-6.8
23	Tanner Roark T. Roark	16	10	.615	2016	WSH	.385	34	33	2.83	172	0	0	0	210.0	173	66	72	17	73	13	0	4	855	6	7.37	3.13	2.36	0.73	20.1	8.5	1.17	.269	3.09	67	3.78	92	7.41	8
24	Bill Lee B. Lee	16	10	.615	1979	MON	.385	33	33	3.04	59	6	3	0	222.0	230	75	91	20	46	1	0	1	925	0	2.39	1.86	1.28	0.81	6.4	5.0	1.24	.263	3.69	83	3.99	108	9.32	-7.8
25	Tanner Roark T. Roark	15	10	.600	2014	WSH	.400	31	31	2.85	138	1	1	0	198.2	178	63	64	16	39	6	0	1	798	0	6.25	1.77	3.54	0.72	17.3	4.9	1.09	.270	2.90	78	3.46	95	8.06	4.1